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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/service/input/render_input_router_support_base.h"
#include "base/notimplemented.h"
#include "base/notreached.h"
#include "base/trace_event/trace_event.h"
#include "base/trace_event/typed_macros.h"
#include "components/input/render_widget_host_input_event_router.h"
namespace viz {
RenderInputRouterSupportBase::~RenderInputRouterSupportBase() {
TRACE_EVENT_INSTANT(
"input", "RenderInputRouterSupportBase::~RenderInputRouterSupportBase");
rir_->SetView(nullptr);
NotifyObserversAboutShutdown();
}
RenderInputRouterSupportBase::RenderInputRouterSupportBase(
input::RenderInputRouter* rir,
Delegate* delegate,
const FrameSinkId& frame_sink_id)
: frame_sink_id_(frame_sink_id), delegate_(delegate), rir_(*rir) {
TRACE_EVENT_INSTANT(
"input", "RenderInputRouterSupportBase::RenderInputRouterSupportBase",
"frame_sink_id", frame_sink_id);
CHECK(delegate_);
rir_->SetView(this);
}
bool RenderInputRouterSupportBase::ShouldInitiateStylusWriting() {
// Stylus input events are not going to be handled on VizCompositor thread
// with the current scope of InputVizard.
NOTREACHED();
}
void RenderInputRouterSupportBase::NotifyHoverActionStylusWritable(
bool stylus_writable) {
// Stylus input events are not going to be handled on VizCompositor thread
// with the current scope of InputVizard.
NOTREACHED();
}
base::WeakPtr<input::RenderWidgetHostViewInput>
RenderInputRouterSupportBase::GetInputWeakPtr() {
return weak_factory_.GetWeakPtr();
}
input::RenderInputRouter*
RenderInputRouterSupportBase::GetViewRenderInputRouter() {
return &*rir_;
}
void RenderInputRouterSupportBase::ProcessMouseEvent(
const blink::WebMouseEvent& event,
const ui::LatencyInfo& latency) {
// Mouse events are not handled on VizCompositorThread with current scope of
// InputVizard.
NOTREACHED();
}
void RenderInputRouterSupportBase::ProcessMouseWheelEvent(
const blink::WebMouseWheelEvent& event,
const ui::LatencyInfo& latency) {
// MouseWheel events are not handled on VizCompositorThread with current scope
// of InputVizard.
NOTREACHED();
}
void RenderInputRouterSupportBase::ProcessTouchEvent(
const blink::WebTouchEvent& event,
const ui::LatencyInfo& latency) {
// Events are not routed to a prerendered page since we don't create RIR's for
// them, hence we can directly process all input events here. See
// `RenderWidgetHostViewBase::ProcessTouchEvent` for more details.
PreProcessTouchEvent(event);
rir_->ForwardTouchEventWithLatencyInfo(event, latency);
}
void RenderInputRouterSupportBase::ProcessGestureEvent(
const blink::WebGestureEvent& event,
const ui::LatencyInfo& latency) {
// Events are not routed to a prerendered page since we don't create RIR's for
// them, hence we can directly process all input events here. See
// `RenderWidgetHostViewBase::ProcessGestureEvent` for more details.
rir_->ForwardGestureEventWithLatencyInfo(event, latency);
}
RenderInputRouterSupportBase* RenderInputRouterSupportBase::GetRootView() {
return this;
}
const LocalSurfaceId& RenderInputRouterSupportBase::GetLocalSurfaceId() const {
// Not needed for input handling on Viz with InputVizard.
NOTREACHED();
}
const FrameSinkId& RenderInputRouterSupportBase::GetFrameSinkId() const {
return frame_sink_id_;
}
gfx::Size RenderInputRouterSupportBase::GetVisibleViewportSize() {
auto* metadata = delegate_->GetLastActivatedFrameMetadata(GetFrameSinkId());
if (!metadata) {
return gfx::Size();
}
return metadata->visible_viewport_size;
}
void RenderInputRouterSupportBase::OnAutoscrollStart() {
// Related to mouse events handling which on VizCompositor which is out of
// scope currently for InputVizard.
NOTREACHED();
}
const DisplayHitTestQueryMap&
RenderInputRouterSupportBase::GetDisplayHitTestQuery() const {
return delegate_->GetDisplayHitTestQuery();
}
float RenderInputRouterSupportBase::GetDeviceScaleFactor() const {
return delegate_->GetDeviceScaleFactorForId(GetFrameSinkId());
}
bool RenderInputRouterSupportBase::IsPointerLocked() {
// Related to mouse events handling which on VizCompositor which is out of
// scope currently for InputVizard.
NOTREACHED();
}
void RenderInputRouterSupportBase::StopFlingingOnViz() {
RenderWidgetHostViewInput::StopFling();
}
void RenderInputRouterSupportBase::UpdateFrameSinkIdRegistration() {
// Let the page-level input event router know about our frame sink ID for
// surface-based hit testing.
auto* router = GetViewRenderInputRouter()->delegate()->GetInputEventRouter();
if (!router->IsViewInMap(this)) {
router->AddFrameSinkIdOwner(GetFrameSinkId(), this);
}
}
} // namespace viz
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